9-Mavzu Temir-beton ishlab chiqarish va foydalanishdagi innovatsiyalar. Reja

Tola diametri
19 mkm
Tola uzunligi	2mm, 4mm, 6mm, 12mm, 18 mm
Kimyoviy chidamlik	Tolalar turli ishqor, erituvchilar va kislotalar ta’siriga to‘la chidamli
Uzilishdagi mustahkamlik	350 N/mm^2
Yumshash harorati	t= 145°S
Material	100% polipropilen
Rangi	Tolalar shaffof oq rangda
1m^3 beton uchun sarfi	600-900 gramm
Solishtirma og‘irligi	0,91 t/m3
Tollar soni	1m^3 betonga tahminan 375 mln. dona to‘g‘ri keladi

Nazorat savollari:

1. 
   Qotayotgan betonda darzlar xosil bo‘lishiga nimalar sabab bo‘ladi?
   
2. 
   To‘ldiruvchilarning o‘lchami qanday tanlanadi?
   
3. 
   Darzlar hosil bo‘lishining oldini olish uchun qanday choralar ko‘rilishi kerak?
   

1^ The Science and Engineering of Materials, Sixth Edition. Authors Donald R. Askeland, Pradeep P. Fulay, Wendelin J. Wright. 2011.

2^ Li, Zongjin, Dr. Advanced concrete technology / Zongjin Li. WILEY.

3^ The Science and Engineering of Materials, Sixth Edition. Authors Donald R. Askeland, Pradeep P. Fulay, Wendelin J. Wright. 2011.

4^ The Science and Engineering of Materials, Sixth Edition. Authors Donald R. Askeland, Pradeep P. Fulay, Wendelin J. Wright. 2011.

5^ Li, Zongjin, Dr. Advanced concrete technology / Zongjin Li. WILEY.

6^ The Science and Engineering of Materials, Sixth Edition. Authors Donald R. Askeland, Pradeep P. Fulay, Wendelin J. Wright. 2011.